Chemistry is traditionally divided into organic and inorganic chemistry. COA of Formula: C15H11ClN2O, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 53242-88-9
Ring-rearrangement during the Mitsunobu alkylation of phthalazinones and indazolols
The Mitsunobu alkylation of substituted phthalazinones and indazolols with cyclic hydroxy- and hydroxymethyl-substituted amines was investigated. In addition to the expected derivatives ring-narrowed and ring-enlarged rearrangement products were isolated and characterized by NMR spectroscopy. The occurence of these products can be explained by the existence of a bicyclic intermediate. The results of the reaction of phthalazinones with optically active amine compounds show a stereospecific reaction mechanism. The reaction of the phthalazinones leads to N-substituted products, while in the case of the indazolols O-substituted derivatives were isolated. A postulated bicyclic intermediate, 1-methyl-1-azoniabicyclo[3.2.0]heptane, was synthesized as chloride. VCH Verlagsgesellschaft mbH, 1996.
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Reference£º
Phthalazine – Wikipedia,
Phthalazine | C8H6N727 – PubChem